Write an essay about a specific organism that is endangered or threatened and the reason for it ls declining population. Include any efforts made to protect and conserve this organism.
Questions to consider:
- Describe the organism: what does the organism eat? where does it live?
- What caused the organism to become endangered or threatened?
- Have there been any conservation efforts to help restore and preserve the species?
- How is the organism doing in the present and what do experts think about the future of the organism?
WRITE AT LEAST 200 WORDS
Answers
The black rhinoceros is an endangered species whose population has declined significantly due to various factors, including habitat loss and poaching
What is endangered specie?If we say that a specie is an endangered specie what we are saying is that the specie that is under study is at the brink of becoming an extinct specie. There are several things that can lead to this and one of the common causative factors is habitat loss.
Diceros bicornis, a black rhinoceros, is only one of several species that are currently in danger of going extinct. The main food sources for the herbivorous black rhinoceros are the leaves, shoots, and branches of woody plants. They are native to sub-Saharan Africa and can be found there in a variety of savannahs and woods.
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Related Questions
What are indicator species? Why do indicator species play an important role for scientist’s?
Answers
Answer:
Indicator species is an organism that reflects an environment's condition.
The reason indicator species play an important role for scientists is because they can signal a change, which will help indicate a problem in the ecosystem.
Explanation:
For example, monarch butterflies are an indicator that an environment is healthy, there reaction is extremely quick when there's a sudden change in the environment.
ASSIGNMENT 2.1.2. Give the numbers and names of the places (regions) where Chlorophyll-containing cells occur. 2.1.3. In which of the places in question 2.1.2 does most photosynthesis occur? 2.1.4. How is the part named in question 2.1.3. structurally adapted for process of photosynthesis? 2.1.5. Give the number and name of the tissue that transports the prod of photosynthesis to the rest of the plant. E.1.6. Name the components of tissue in question 2.1.5.
Answers
2.1.2. The numbers and names of the places (regions) where Chlorophyll-containing cells occur are:
1. Epidermis2. Mesophyll3. PhloemWhat is the parts for photosynthesis?2.1.3. The mesophyll is the primary site of photosynthesis in plants. The mesophyll is a layer of cells that lies between the epidermis and the phloem. The mesophyll cells contain chlorophyll, which is the green pigment that captures sunlight and uses it to convert carbon dioxide and water into oxygen and glucose.
2.1.4. The mesophyll cells are structurally adapted for photosynthesis in several ways. First, the mesophyll cells are packed with chloroplasts, which contain chlorophyll. Second, the mesophyll cells have a large surface area, which allows them to absorb more sunlight. Third, the mesophyll cells have a thin layer of cytoplasm, which allows for the rapid diffusion of gases and nutrients.
2.1.5. Phloem
The phloem is a vascular tissue that transports food and nutrients throughout the plant. The phloem is made up of two types of cells: sieve tubes and companion cells. Sieve tubes are long, thin cells that are connected by small pores. Companion cells are smaller cells that are attached to sieve tubes. Companion cells help to provide energy and support for sieve tubes.
2.1.6. The components of the phloem tissue are:
Sieve tubesCompanion cellsPhloem parenchymaPhloem fibersFind out more on photosynthesis here: https://brainly.com/question/19160081
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NEED HELP ASAP!! WILL MARK BRAINLIST FOR FULL ANSWER!! TY Make a list of at least 10 animals in your area or on one continent of the earth. If a wildlife reserve or a zoo is not easily accessible, you may use pictures to help you with this activity. Construct a dichotomous key for the animals on your list.
When creating a dichotomous key, there are some general rules to remember:
The group of items must have one common characteristic. For example, out of a group containing a hot air balloon, jet, parachute, and propeller plane, what is the common characteristic? They all have flight capability.
The number of steps in your key is the number of objects minus one. If you were to create a key for eight animals, you would subtract one, and have seven steps in your key.
Try to use a two-word system to simplify your key. Here are some examples: has fur or no fur; brown fur or black fur; has teeth or no teeth. Sometimes it may be difficult to use two words, but try to make the description as short as possible. For example: has 2 legs or has 4 legs.
Only use characteristics that are observable for your key.
Here's an example:
sex male—2
sex female—5
height under 5 ft—Jim
height over 5 ft—3
hair color blonde—Eric
hair color brown—4
jeans worn—Darin
shorts worn—Mario
hair pony-tail style—Kisha
hair down—6
hair color blonde—Crystal
hair color brown—Marlene
Enter your key and answer the following questions in the box below:
Did you use at least 10 different animals?
Were you able to use a two-name system to set up your key?
What specific challenges, if any, did you encounter?
Answers
The dichotomous key has been presented in the explanation below.
What is the dichotomous key?1a. Has fur - Go to 2
1b. No fur - Go to 5
2a. Has stripes - Tiger
2b. No stripes - Go to 3
3a. Lives in water - Dolphin
3b. Lives on land - Go to 4
4a. Has a long neck - Giraffe
4b. No long neck - Lion
5a. Has feathers - Eagle
5b. No feathers - Go to 6
6a. Has scales - Snake
6b. No scales - Rabbit
Yes, the example provided uses a two-name system to set up the key.
One specific challenge in creating a dichotomous key may be to find observable characteristics that can be used to distinguish between different animals. It may also be difficult to come up with a concise and clear description for each characteristic.
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How might your parents (and grandparents) have shaped your epigenome?
Answers
please help asap ⚠️ i will mark brainliest
Answers
Answer:
i can't see it very well
Explanation:
what evidence do you have that food molecules have energy
Answers
Give three reasons why chordates are different from all other animals?
Answers
Answer:
Has a Dorsal hallow nerve cord, a notochord pharyngeal pouches, and a tail that extends beyond the anus.
Explanation:
Drawing a cartoon in pencil, then going back over it later with an ink pen is most similar to which biological process?
Answers
Given that the main reason for which an artist will retrace a drawing in pen is to correct errors and achieve a final draft, we can compare this to the biological process of DNA proofreading.
DNA proofreading is a biological process that takes place during the biosynthesis of DNA. During this time, a chain of DNA is read and a complementary chain is creating, effectively duplicating the genetic code.
During this process, DNA proofreading takes place. This is described as a process in which the DNA polymerase retraces the genetic code, detecting and fixing any errors in the synthesis before the strand is closed once again.
The fact is that both processes, despite taking place in astronomically different situations, share a final goal which is to prepare the "product" for the "final draft". This allows us to draw valid comparisons between the retracing of a cartoon and the proofreading of DNA by the DNA polymerase enzyme.
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Answer:
it is
Calcification
Explanation: hope it helped (I got it correct)
10) A species is considered introduced when its transport into an area outside of its native range is human mediated. Introductions by humans may be either intentional or accidental. In the U.S. many
economically important species have successfully been introduced and managed: they have not become invasive species. Identify the statement that is NOT CORRECT regarding the positive effects
of
introduced species
A) All Livestock species except the American bison and the turkey are introduced species to North America.
B) Thomas Austin, a British landowner had rabbits released on his estate in Victoria, Australia because he missed hunting them.
Eliminate
Species, such as the wolf, are reintroduced because it has become locally endangered or extinct and this is done in the interest of conservation
D) Many plants, such as the Norway maple and the Japanese maple, have been introduced with the intent of aesthetically improving public recreation areas of private
properties
Answers
Answer:
The introduction of new species in the new area make the specie invasive if there is no predator is present in that ecosystem because the predator helps in the controlling of the population of that invasive species. The big example of invasive species is rabbit in the Australia where rabbit become invasive when there is no predator is present in that region so they increase in population and destroy all vegetation of that region. So if there is no predator of a newly introduced species, it become invasive in future.
Explanation:
How might geographic range help explain how some species are able to
survive extinction periods? What is the role of background extinction rate in this
theory?
Answers
The geographic range might help to explain how some species are able to survive extinction periods because the geographic range can help to knwo the species that can withstand the changing conditions and the extinction rate let us know the species that have the population that can withstand the extincttion.
What is the extinction rate?It should be noted that the Regardless, scientists agree that today's extinction rate can be seen to be more times higher compare to the natural baseline rate.
However based on the fossil record, the baseline extinction rate of a species is about million species per year.
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assume complete dominance for both genes (A>a, B>b). What fraction of offspring would you expect
to express the AB phenotype? Select one: O a. 3/4 . b. 3/16 x O c. 3/8 O d. 1/4
Answers
The fraction of offspring that would be expected to express the AB phenotype can be determined using the principles of Mendelian genetics. Assuming complete dominance for both genes (A>a, B>b), the AB phenotype will be expressed when the individual has both dominant alleles (A and B).
In a cross between two individuals who are heterozygous for both genes (AaBb x AaBb), the possible genotypes of the offspring are:
AB, Ab, aB, and ab.
Out of these four possible genotypes, only one genotype (AB) will express the AB phenotype.
Therefore, the fraction of offspring expected to express the AB phenotype is 1 out of 4, which can be simplified to 1/4.
The correct answer is d. 1/4.
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Science Skills
A student prepared two beakers with identical sprigs of a water plant as shown below. She placed one beaker in
the shade and the other beaker beside a fluorescent lamp. She then systematically changed the distance from the
beaker to the lamp. She counted the bubbles given off by the plants in each beaker. Shown here is the graph of the
data for the beaker she placed beside the lamp.
If the student later tested the bubbles collected in the test tube, what would she find they are made of?
Answers
If the student later tested the bubbles collected in the test tube, she finds that it was made up of oxygen.
what is photosynthesis?
Photosynthesis is the process by which green plants use the energy from sunshine to transform carbon dioxide and water into food.
Since oxygen is the gas that plants release during photosynthesis, we can infer that the bubbles are oxygen.
In this instance, we can also affirm that the fluorescent light-exposed ant displayed more bubbles than the other plant.
Since the light made it possible for this plant's photosynthetic rate to increase, more oxygen was released into the environment.
Therefore, if the student later tested the bubbles collected in the test tube, she finds that it was made up of oxygen.
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What tools would a biologists use to grow bacteria
Answers
Bacteria are everywhere, and since they reproduce rapidly they are easy to study with just a few simple materials. Biologist uses Petri dishes, agar, sterile swabs or an inoculating needle to grow bacteria.
Biologist
A scientist who studies biology is known as a biologist. Whether it be a single cell, a multicellular organism, or a group of interdependent populations, life on Earth is of interest to biologists. They typically have a particular research emphasis and specialise in a certain area of biologies, such as molecular biology, zoology, or evolutionary biology (e.g., studying malaria or cancer).
The goal of basic research conducted by biologists is to increase our understanding of the natural world. They use the scientific method, an empirical approach to evaluating theories, to conduct their research. Their discoveries could be valuable for a particular objective, like biotechnology, which aims to create human-useful medical items.
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40 pts pls help quick
Answers
Answer and Explanation:
Either C or D (most likely D) Because red and yellow make orange...
are there other uses of basagran herbicide other than herbicide
Answers
Answer: established bluegrass, fescue, bentgrass, Bermudagrass, bahiagrass, centipedegrass, zoysiagrass, ryegrass
Explanation:
Deuterium is an isotope of hydrogen. It has a mass number of two. Which describes a deuterium atom?
Answers
Answer:
Deuterium, (D, or 2H), also called heavy hydrogen, isotope of hydrogen with a nucleus consisting of one proton and one neutron, which is double the mass of the nucleus of ordinary hydrogen (one proton). Deuterium has an atomic weight of 2.014
Explanation:
Which subatomic particle determines an element's atomic number?
Answers
Answer: protons
Explanation: atoms of each element contain a characteristic number of protons
Answer:
the answer is protons
Explanation: Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number. In contrast, the number of neutrons for a given element can vary.
HURRY WILL MARK BRAINLIEST 9. How would the results change if the substances were placed into
honey instead of water? Honey has a density of 1.45 g/mL.
-Cardboard would float in water, but sink in honey.
-Glass would sink in water, but float in honey.
-An apple would float in water, but would sink in honey.
-Dish soap would sink in water, but would float in honey.
Answers
A pharmaceutical company went bankrupt after investing in what they thought was a highly promising leptin-like drug for obesity. Their fatal mistake was not hiring and consulting you during drug development. What could you have told them to avert their demise?
Answer choices:
Their drug wasn't strong enough because it was oral and not intravenous
Leptin can't be given as a drug because it's a hormone
Suppression of appetite is not sufficient for reversing obesity
Leptin insensitivity is commonly associated with obesity
Orexin exists to counteract any leptin you introduce
Answers
Answer:
Suppression of appetite is not sufficient for reversing obesity I believe
Explanation:
A team of scientists and engineers is working together to develop a new cleaning product. The team has identified a species of bacteria that gets energy by breaking apart lipids and oils. The team wants to isolate the key substance that the bacteria use for this process, and then adapt the substance for the new cleaning product.
A. A lipid or oil that is unique to the bacteria
B. A carbohydrate that is about the same size as a typical lipid or oil molecule
C. A nucleic acid that codes for the production of a lipid or oil
D. A protein enzyme that specifically binds lipids or oils
Answers
D. A protein enzyme that specifically binds lipids or oils
The macromolecule to be isolated for this process is a protein break apart lipids and oil.
In the provided question, bacteria obtain energy for their personal metabolic activities by dissolving lipids and oils. This is only feasible due to the bacteria's genetic features. Because all genetic characteristics are coded for by a protein, the scientists must scan the bacterium genome and identify the protein responsible for this function.
Some microorganisms have been utilized in biotechnology due to their value to human endeavours. The majority of probiotics used in the manufacturing of yoghurt are bacteria that are widely recognized as harmless (GRAS). However, the significance of these creatures is extensive.
Because carbohydrates and lipids are not the functional units of genetic expressions, answers a and b are erroneous. Nucleic acids are part of the genetic material, but they are eventually translated into protein. As a result, response choice D is the right one.
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Create a hypothesis: Ben wonders if sugar water will help his vine plant grow taller than it would with regular water. He would like to do an experiment. Create an appropriate hypothesis Ben can test using an experiment. *your hypothesis can be anything as long as it is in the correct format and related to the experiment!
PLZ HELP MEEE I NEED ID NOW(((
Answers
Answer:
If Ben waters his vine plant with sugar water, then the plant will not grow as well as it would when watered with regular water.
which characteristic is shared by extrusions, intrusions and faults
Answers
Answer:
Intrusions, extrusions of igneous rocks, and faults and gaps all share a common feature, that is, they help geologists and scientists in determining the relative age of rocks.
Explanation:
sorry for waiting for such a long time!
Brainlies plsss!
Answer:
all cause gaps in the geologic record
Explanation:
intrusions and extrusions are igneous rocks but a fault is a crack. These all cause gaps in the geologic record
i crosscut my nail with a knife . will it ever heal???
Answers
In certain lizards, the ability to lose the tail if attacked by a predator serves a protective function. These types of physical characteristics that help organisms to survive are best known as
Answers
The ability of certain lizards to lose their tail if attacked by a predator is an example of a protective function exhibited by physical characteristics, which are commonly referred to as adaptations.
Physical characteristics that aid organisms in their survival are called adaptations. These adaptations can be structural, physiological, or behavioral in nature. In the case of certain lizards, their ability to shed their tail when attacked by a predator is a defensive adaptation that helps them escape from potential harm.
1. Adaptations: Adaptations are traits or features that have evolved in organisms to enhance their chances of survival and reproduction. These can include anatomical structures, physiological processes, or behavioral patterns.
2. Defensive Adaptations: Defensive adaptations are specifically geared towards protecting an organism from harm. In the case of lizards, the ability to shed their tail, a behavior known as autotomy, is a defensive adaptation.
3. Autotomy: Autotomy is the self-amputation or shedding of a body part by an organism. Lizards, such as certain species of geckos or skinks, have developed the ability to voluntarily shed their tail when under attack. The detached tail continues to move, distracting the predator and allowing the lizard to escape.
4. Protective Function: The ability to lose the tail serves a protective function by allowing the lizard to survive encounters with predators. By sacrificing their tail, lizards can increase their chances of survival by diverting the predator's attention and facilitating their escape.
In summary, the physical characteristic exhibited by certain lizards, where they can lose their tail if attacked by a predator, is an adaptation that serves a protective function. This ability, known as autotomy, enhances their chances of survival by enabling them to escape from potential predators.
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In the deep south, pigweed has become resistant to herbicides which is making it harder to grow cotton. The weed will ruin tractors and requires manual labor to remove. The ppc could have a horizontal axis labeled as ______
Answers
In the given scenario, where pigweed has developed resistance to herbicides and poses challenges to cotton production in the deep south, the horizontal axis of the Production Possibilities Curve (PPC) could be labeled as "Labor-Intensive Techniques vs. Mechanization."
This labeling reflects the trade-off between employing labor-intensive techniques, such as manual weeding to control pigweed, and relying on mechanization, represented by the use of tractors and herbicides. The PPC illustrates the different combinations of labor-intensive techniques and mechanization that can be utilized in cotton production.
On one end of the spectrum, allocating more resources towards labor-intensive techniques involves manual labor for removing pigweed, which requires additional human effort and potentially higher costs. This option is depicted at one extreme of the horizontal axis.
On the other end, increasing mechanization implies a greater reliance on machinery, such as tractors and herbicides, to control pigweed efficiently. However, the resistant weed's ability to damage tractors introduces limitations and risks associated with this approach. This alternative is represented at the opposite extreme of the horizontal axis.
The PPC showcases the various trade-offs between labor-intensive techniques and mechanization, aiming to find an optimal balance that maximizes cotton production while effectively managing the challenges posed by pigweed resistance. It helps decision-makers visualize the available choices and make informed decisions regarding resource allocation and management strategies in response to the pigweed issue.
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Question 3 (Essay Worth 10 points)
(05. 07 MC)
The scatter plot shows the number of pumpkins that have been picked on the farm during the month of October:
Part A: Using computer software, a correlation coefficient of r = 0. 51 was calculated. Based on the scatter plot, is that an accurate value for this data? Why or why not? (5 points)
Part B: Instead of comparing the number of pumpkins picked and the day in October, write a scenario that would be a causal relationship for pumpkins picked on the farm. (5 points)
please help i will mark brainlyest if you help me get an A or at least a B and for 30 pts
Answers
The correlation coefficient may not accurately represent the relationship between the variables. it could lead to better pumpkin growth and yield, resulting in more pumpkins being picked on the farm.
Part A: The correlation coefficient of r = 0.51 suggests a moderate positive correlation between the number of pumpkins picked and the day in October. However, the scatter plot shows a nonlinear relationship between the variables, with an apparent curve in the data. Therefore, the correlation coefficient may not accurately represent the relationship between the variables.
Part B: A scenario that could be a causal relationship for pumpkins picked on the farm could be the amount of rainfall in the preceding month. If there was a significant amount of rainfall in the preceding month, it could lead to better pumpkin growth and yield, resulting in more pumpkins being picked on the farm.
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the spreading out of molecules in air from a center of concentration is caused by
Answers
The spreading out of molecules in the air from a center of concentration is caused by diffusion. Diffusion is the movement of molecules from a region of high concentration to a region of low concentration.
This process occurs due to the random motion of particles, and it is driven by the natural tendency of particles to move from an area of high concentration to an area of low concentration.
Diffusion plays a vital role in many natural processes, including gas exchange in the lungs, transport of nutrients and waste products across cell membranes, and the release of odor molecules into the air.
In each of these processes, the molecules move from a region of high concentration to a region of low concentration due to the natural tendency of particles to spread out and become evenly distributed over time.
The rate of diffusion is influenced by several factors, including the concentration gradient, the temperature of the environment, and the size and shape of the molecules involved.
Diffusion can be a slow process, particularly over long distances or in areas where the concentration gradient is small, but it is a fundamental mechanism that underlies many of the processes that allow living organisms to function and survive.
Overall, the spreading out of molecules in the air from a center of concentration is an essential process that is driven by the natural tendency of particles to diffuse and become evenly distributed over time.
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Select the correct answer from each drop-down menu.
A
is an agent that causes disease. All
are pathogens.
Answers
A pathogens(C) is an agent that causes disease. All viruses(C) are pathogens.
What are pathogens?For Part 1, the correct answer is C. Pathogen. A pathogen is an agent that causes disease. All pathogens are infectious agents, but not all infectious agents are pathogens. For example, the common cold is caused by a virus, but the virus is not considered a pathogen because it does not usually cause serious illness.
For Part 2, the correct answer is C. Viruses. Viruses are the smallest and simplest pathogens. They are not cells, and they cannot reproduce on their own. They must infect a host cell in order to replicate.
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Complete question:
Select the correct answer. A __ is an agent that causes disease. All ___ are pathogens.
Part 1
A. Bacteria
B. Germ
C. Pathogen
Part 2
A. Bacteria
B. Fungi
C. Viruses
Which organs are the last to complete development?.
Answers
Answer:
Lungs
Explanation:
If you are referring to an undeveloped fetus in a mother uterus then the lungs would be the last to develop. That is due to it not to be breathing air until around week forty.
Hope this helps!
In an ethane (C₂H₆) molecule, each carbon atom is bonded to hydrogen atoms. (A) two (B) three (C) four (D) six
Answers
Answer:
three
Explanation:
I hope this helps you